Hi, I'm Qin Xuqiang

AI Researcher & Mathematician

Exploring the intersection of artificial intelligence, machine learning, and mathematical foundations

Recent Blog Posts

Thoughts on AI, mathematics, and technology

September 23, 2025 12 min read

Exploring policy optimization algorithms in reinforcement learning, including PPO and GRPO, with insights from recent advances in LLM development.

reinforcement-learning machine-learning LLMs

August 05, 2025 10 min read

A comprehensive introduction to decision trees, covering fundamentals and popular ensemble methods like Random Forests and Gradient Boosting.

machine-learning decision-trees algorithms

August 01, 2025 8 min read

Learn the fundamentals of backtracking algorithms with practical examples and a reusable code template for solving complex search problems.

algorithms coding computer-science

What I'm passionate about

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Deep learning architectures, neural networks, and intelligent systems that learn from data

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Language models, text generation, and understanding human communication through AI

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Theoretical underpinnings of AI, including algebra, geometry, and representation theory

I'm always interested in discussing AI research, mathematical ideas, or potential collaborations